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Home Gemstones Star Sapphire
5.13 ct Black Star Sapphire Gemstone, Star Sapphire Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
5.13 ct Black Star Sapphire Stone, Natural Star Sapphire in Oval Cabochon Shape for Sale Star Sapphire Gemstone in 10.6 x 8.1 mm Size for Sale, Star Sapphire Stone in Black Color

5.13ct Natural Black Star Sapphire, Oval Cut, 10.6x8.1 mm

9.7 out of 10
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Product ID: 683340
Type: Star Sapphire
Weight: 5.13 ct 1 gem
Size: mm calibrated
Size: 10.6 x 8.1 x 5.3 mm
Exact Size: 10.64 x 8.10 x 5.30 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Black
Clarity: Opaque
Treatment: Heated
Origin: Thailand / Kanchanaburi
Content: 1 pc
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Product Description

This is a 5.13 carat natural black Star Sapphire gem, 1 pc in oval shape with an exact size of 10.64 x 8.10 x 5.30 mm. This loose Star Sapphire gemstone was mined in Thailand and its clarity is Opaque. This natural Star Sapphire has been heated to enhance its vivid color.

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It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
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Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
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Always get a nice gemstone. Just like the picture. Never disappointed

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Fast snd easy to find what I was looking for

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I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

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Easy and functional

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